Home / 288,652,115.39-433,018,419.38-89,247,680.18

Finding the Fourth Proportional to 288,652,115.39, 433,018,419.38 and 89,247,680.18

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Solution

The fourth proportional to 288,652,115.39, 433,018,419.38 and 89,247,680.18 is: 133,883,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,652,115.39 : 433,018,419.38 = 89,247,680.18 : x
  2. Step 2: Convert to fraction form
    288,652,115.39/433,018,419.38 = 89,247,680.18/x
  3. Step 3: Cross multiply
    288,652,115.39x = 433,018,419.38 × 89,247,680.18
  4. Step 4: Simplify right side
    288,652,115.39x = 38,645,889,404,429,120
  5. Step 5: Solve for x
    x = 38,645,889,404,429,120/288,652,115.39
  6. Step 6: Final answer
    x = 133,883,963.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.